Home / 104,357.56-144,012.32-56,610.50

Finding the Fourth Proportional to 104,357.56, 144,012.32 and 56,610.50

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Solution

The fourth proportional to 104,357.56, 144,012.32 and 56,610.50 is: 78,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,357.56 : 144,012.32 = 56,610.50 : x
  2. Step 2: Convert to fraction form
    104,357.56/144,012.32 = 56,610.50/x
  3. Step 3: Cross multiply
    104,357.56x = 144,012.32 × 56,610.50
  4. Step 4: Simplify right side
    104,357.56x = 8,152,609,441.36
  5. Step 5: Solve for x
    x = 8,152,609,441.36/104,357.56
  6. Step 6: Final answer
    x = 78,121.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.